byBlaszczynski, Jacek S; United States. Bureau of Land Management. Denver Service Center. Branch of GIS Services
"An introduction to the concept and the capabilities of the HTAS, as well as step by step instructions on its use... HTAS consists of 14 FORTRAN programs which run under the Primos, UNIX, or VMS operating systems" --P. 7 Topics: United States. Bureau of Land Management, Digital mapping, Geographic information systems, HTAS...